Q781
Patented chocolate coloured variety of Rose is
A.
Chavelier
B.
Mohini
AnswerC.
Meera
D.
Priya
Answer: Option B
Solution
Answer: Option B
Solution:
The patented chocolate coloured variety of Rose is Mohini.Mohini is a variety of roses, having unusual chocolate colour. This is a cluster-flowered hypertriploid (2n = 22 or 21 + 1) or trisomic which has characteristics of Wichuraina like glossy green leaves has been obtained by crossing Sea Pearl (4x) and Schola (2x) while its sister seedling 'Prema' is triploid. The additive gene action of the additional chromosome is responsible for the chocolate brown colour.